402 lines
12 KiB
C
402 lines
12 KiB
C
/* crypto/ecdh/ecdhtest.c */
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/* ====================================================================
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* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
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*
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* The Elliptic Curve Public-Key Crypto Library (ECC Code) included
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* herein is developed by SUN MICROSYSTEMS, INC., and is contributed
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* to the OpenSSL project.
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*
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* The ECC Code is licensed pursuant to the OpenSSL open source
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* license provided below.
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*
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* The ECDH software is originally written by Douglas Stebila of
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* Sun Microsystems Laboratories.
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*
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*/
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/* ====================================================================
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* Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../e_os.h"
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#include <openssl/opensslconf.h> /* for OPENSSL_NO_ECDH */
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#include <openssl/crypto.h>
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#include <openssl/bio.h>
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#include <openssl/bn.h>
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#include <openssl/objects.h>
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#include <openssl/rand.h>
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#include <openssl/sha.h>
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#include <openssl/err.h>
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#ifdef OPENSSL_NO_ECDH
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int main(int argc, char *argv[])
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{
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printf("No ECDH support\n");
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return (0);
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}
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#else
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# include <openssl/ec.h>
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# include <openssl/ecdh.h>
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# ifdef OPENSSL_SYS_WIN16
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# define MS_CALLBACK _far _loadds
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# else
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# define MS_CALLBACK
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# endif
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# if 0
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static void MS_CALLBACK cb(int p, int n, void *arg);
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# endif
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static const char rnd_seed[] =
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"string to make the random number generator think it has entropy";
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static const int KDF1_SHA1_len = 20;
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static void *KDF1_SHA1(const void *in, size_t inlen, void *out,
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size_t *outlen)
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{
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# ifndef OPENSSL_NO_SHA
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if (*outlen < SHA_DIGEST_LENGTH)
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return NULL;
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else
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*outlen = SHA_DIGEST_LENGTH;
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return SHA1(in, inlen, out);
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# else
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return NULL;
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# endif
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}
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static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
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{
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EC_KEY *a = NULL;
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EC_KEY *b = NULL;
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BIGNUM *x_a = NULL, *y_a = NULL, *x_b = NULL, *y_b = NULL;
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char buf[12];
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unsigned char *abuf = NULL, *bbuf = NULL;
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int i, alen, blen, aout, bout, ret = 0;
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const EC_GROUP *group;
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a = EC_KEY_new_by_curve_name(nid);
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b = EC_KEY_new_by_curve_name(nid);
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if (a == NULL || b == NULL)
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goto err;
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group = EC_KEY_get0_group(a);
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if ((x_a = BN_new()) == NULL)
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goto err;
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if ((y_a = BN_new()) == NULL)
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goto err;
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if ((x_b = BN_new()) == NULL)
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goto err;
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if ((y_b = BN_new()) == NULL)
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goto err;
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BIO_puts(out, "Testing key generation with ");
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BIO_puts(out, text);
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# ifdef NOISY
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BIO_puts(out, "\n");
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# else
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(void)BIO_flush(out);
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# endif
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if (!EC_KEY_generate_key(a))
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goto err;
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if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
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NID_X9_62_prime_field) {
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if (!EC_POINT_get_affine_coordinates_GFp
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(group, EC_KEY_get0_public_key(a), x_a, y_a, ctx))
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goto err;
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} else {
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if (!EC_POINT_get_affine_coordinates_GF2m(group,
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EC_KEY_get0_public_key(a),
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x_a, y_a, ctx))
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goto err;
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}
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# ifdef NOISY
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BIO_puts(out, " pri 1=");
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BN_print(out, a->priv_key);
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BIO_puts(out, "\n pub 1=");
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BN_print(out, x_a);
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BIO_puts(out, ",");
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BN_print(out, y_a);
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BIO_puts(out, "\n");
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# else
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BIO_printf(out, " .");
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(void)BIO_flush(out);
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# endif
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if (!EC_KEY_generate_key(b))
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goto err;
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if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
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NID_X9_62_prime_field) {
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if (!EC_POINT_get_affine_coordinates_GFp
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(group, EC_KEY_get0_public_key(b), x_b, y_b, ctx))
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goto err;
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} else {
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if (!EC_POINT_get_affine_coordinates_GF2m(group,
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EC_KEY_get0_public_key(b),
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x_b, y_b, ctx))
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goto err;
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}
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# ifdef NOISY
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BIO_puts(out, " pri 2=");
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BN_print(out, b->priv_key);
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BIO_puts(out, "\n pub 2=");
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BN_print(out, x_b);
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BIO_puts(out, ",");
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BN_print(out, y_b);
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BIO_puts(out, "\n");
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# else
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BIO_printf(out, ".");
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(void)BIO_flush(out);
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# endif
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alen = KDF1_SHA1_len;
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abuf = (unsigned char *)OPENSSL_malloc(alen);
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aout =
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ECDH_compute_key(abuf, alen, EC_KEY_get0_public_key(b), a, KDF1_SHA1);
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# ifdef NOISY
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BIO_puts(out, " key1 =");
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for (i = 0; i < aout; i++) {
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sprintf(buf, "%02X", abuf[i]);
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BIO_puts(out, buf);
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}
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BIO_puts(out, "\n");
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# else
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BIO_printf(out, ".");
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(void)BIO_flush(out);
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# endif
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blen = KDF1_SHA1_len;
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bbuf = (unsigned char *)OPENSSL_malloc(blen);
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bout =
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ECDH_compute_key(bbuf, blen, EC_KEY_get0_public_key(a), b, KDF1_SHA1);
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# ifdef NOISY
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BIO_puts(out, " key2 =");
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for (i = 0; i < bout; i++) {
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sprintf(buf, "%02X", bbuf[i]);
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BIO_puts(out, buf);
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}
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BIO_puts(out, "\n");
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# else
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BIO_printf(out, ".");
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(void)BIO_flush(out);
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# endif
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if ((aout < 4) || (bout != aout) || (memcmp(abuf, bbuf, aout) != 0)) {
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# ifndef NOISY
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BIO_printf(out, " failed\n\n");
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BIO_printf(out, "key a:\n");
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BIO_printf(out, "private key: ");
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BN_print(out, EC_KEY_get0_private_key(a));
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BIO_printf(out, "\n");
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BIO_printf(out, "public key (x,y): ");
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BN_print(out, x_a);
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BIO_printf(out, ",");
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BN_print(out, y_a);
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BIO_printf(out, "\nkey b:\n");
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BIO_printf(out, "private key: ");
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BN_print(out, EC_KEY_get0_private_key(b));
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BIO_printf(out, "\n");
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BIO_printf(out, "public key (x,y): ");
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BN_print(out, x_b);
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BIO_printf(out, ",");
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BN_print(out, y_b);
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BIO_printf(out, "\n");
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BIO_printf(out, "generated key a: ");
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for (i = 0; i < bout; i++) {
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sprintf(buf, "%02X", bbuf[i]);
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BIO_puts(out, buf);
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}
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BIO_printf(out, "\n");
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BIO_printf(out, "generated key b: ");
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for (i = 0; i < aout; i++) {
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sprintf(buf, "%02X", abuf[i]);
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BIO_puts(out, buf);
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}
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BIO_printf(out, "\n");
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# endif
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fprintf(stderr, "Error in ECDH routines\n");
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ret = 0;
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} else {
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# ifndef NOISY
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BIO_printf(out, " ok\n");
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# endif
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ret = 1;
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}
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err:
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ERR_print_errors_fp(stderr);
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if (abuf != NULL)
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OPENSSL_free(abuf);
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if (bbuf != NULL)
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OPENSSL_free(bbuf);
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if (x_a)
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BN_free(x_a);
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if (y_a)
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BN_free(y_a);
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if (x_b)
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BN_free(x_b);
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if (y_b)
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BN_free(y_b);
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if (b)
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EC_KEY_free(b);
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if (a)
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EC_KEY_free(a);
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return (ret);
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}
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int main(int argc, char *argv[])
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{
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BN_CTX *ctx = NULL;
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int ret = 1;
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BIO *out;
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CRYPTO_malloc_debug_init();
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CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
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# ifdef OPENSSL_SYS_WIN32
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CRYPTO_malloc_init();
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# endif
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RAND_seed(rnd_seed, sizeof rnd_seed);
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out = BIO_new(BIO_s_file());
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if (out == NULL)
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EXIT(1);
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BIO_set_fp(out, stdout, BIO_NOCLOSE);
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if ((ctx = BN_CTX_new()) == NULL)
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goto err;
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/* NIST PRIME CURVES TESTS */
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if (!test_ecdh_curve
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(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out))
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goto err;
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if (!test_ecdh_curve
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(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out))
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goto err;
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/* NIST BINARY CURVES TESTS */
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if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out))
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goto err;
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ret = 0;
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err:
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ERR_print_errors_fp(stderr);
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if (ctx)
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BN_CTX_free(ctx);
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BIO_free(out);
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CRYPTO_cleanup_all_ex_data();
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ERR_remove_state(0);
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CRYPTO_mem_leaks_fp(stderr);
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EXIT(ret);
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return (ret);
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}
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# if 0
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static void MS_CALLBACK cb(int p, int n, void *arg)
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{
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char c = '*';
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if (p == 0)
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c = '.';
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if (p == 1)
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c = '+';
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if (p == 2)
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c = '*';
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if (p == 3)
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c = '\n';
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BIO_write((BIO *)arg, &c, 1);
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(void)BIO_flush((BIO *)arg);
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# ifdef LINT
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p = n;
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# endif
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}
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# endif
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#endif
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